FR2044814A1 - - Google Patents

Info

Publication number
FR2044814A1
FR2044814A1 FR7018693A FR7018693A FR2044814A1 FR 2044814 A1 FR2044814 A1 FR 2044814A1 FR 7018693 A FR7018693 A FR 7018693A FR 7018693 A FR7018693 A FR 7018693A FR 2044814 A1 FR2044814 A1 FR 2044814A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7018693A
Other languages
French (fr)
Other versions
FR2044814B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MITACHI ONKYO SEISAKUSHO
Original Assignee
MITACHI ONKYO SEISAKUSHO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP3319170A external-priority patent/JPS514642B1/ja
Application filed by MITACHI ONKYO SEISAKUSHO filed Critical MITACHI ONKYO SEISAKUSHO
Publication of FR2044814A1 publication Critical patent/FR2044814A1/fr
Application granted granted Critical
Publication of FR2044814B1 publication Critical patent/FR2044814B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR7018693A 1969-05-23 1970-05-22 Expired FR2044814B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4714969 1969-05-23
JP3319170A JPS514642B1 (en) 1970-04-18 1970-04-18

Publications (2)

Publication Number Publication Date
FR2044814A1 true FR2044814A1 (en) 1971-02-26
FR2044814B1 FR2044814B1 (en) 1973-10-19

Family

ID=26371834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018693A Expired FR2044814B1 (en) 1969-05-23 1970-05-22

Country Status (4)

Country Link
US (1) US3665123A (en)
DE (1) DE2024876A1 (en)
FR (1) FR2044814B1 (en)
NL (1) NL7007480A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161631A (en) * 1974-12-13 1979-07-17 Nippon Columbia Kabushikikaisha Pickup cartridge
US4072823A (en) * 1975-06-06 1978-02-07 Kabushiki Kaisha Mitachi Onkyo Seisakusho Moving magnet pickup cartridge
DE2810459C3 (en) * 1977-03-14 1986-11-13 Sergej Valentinovič Čeljabinsk Burundukov Electrodynamic converter of mechanical vibrations into electrical signals and vice versa, stereo and monophonic sound heads and electrodynamic microphone
US20090295520A1 (en) * 2006-06-26 2009-12-03 Battelle Energy Alliance, Llc Magnetic structure
US20090295253A1 (en) * 2006-06-26 2009-12-03 Battelle Energy Alliance, Llc Motor/generator
US7688036B2 (en) * 2006-06-26 2010-03-30 Battelle Energy Alliance, Llc System and method for storing energy
US20100013345A1 (en) * 2006-06-26 2010-01-21 Battelle Energy Alliance, Llc Bi-metal coil

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH404226A (en) * 1962-11-27 1965-12-15 Oliver Stanton Walter Electromechanical transducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH404226A (en) * 1962-11-27 1965-12-15 Oliver Stanton Walter Electromechanical transducer

Also Published As

Publication number Publication date
FR2044814B1 (en) 1973-10-19
NL7007480A (en) 1970-11-25
DE2024876A1 (en) 1971-11-11
US3665123A (en) 1972-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse